This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Soa large. en Drugs of abuse target the brain's pleasure center drugabuse gov January UTC National Institute on Drug Abuse PDUSGov Original upload log en FtCG page en Soalarge Date Dimensions User Comment January bytes Innab en no Drugs of abuse target the brain's pleasure center drugabuse gov National Institute